Bio ch. 27
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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peptidoglycan | show 🗑
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capsule | show 🗑
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show | a thick-coated, resistant cell produced by some bacterial cells when they are exposed to harsh conditions.
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fimbriae | show 🗑
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show | In bacteria, appendages that pull two cells together prior to DNA transfer from one cell to the other; also called a sex pilus.
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taxis | show 🗑
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flagella | show 🗑
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What is the difference between prokaryotes and eukaryotes? | show 🗑
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show | A non-membrane, non- enclosed region in a prokaryotic cell where its chromosome is located.
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plasmid | show 🗑
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what are the three factors that give rise to high levels of genetic diversity in prokaryotes? | show 🗑
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show | transformation, transduction, and conjugation.
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show | a change in genotype and phenotype due to the assimilation of external DNA by a cell. When the external DNA is from a member of a different species, transformation results in horizontal gene transfer.
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transduction | show 🗑
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show | when DNA is transferred between two prokaryotic cells (usually of the same species) that are temporarily joined.
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show | In bacteria, the DNA segment that confers the ability to form pili for conjugation and associated functions required for the transfer of DNA from donor to recipient. May exist as plasmid or be integrated into the bacterial chromosome.
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F plasmid | show 🗑
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R plasmid | show 🗑
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obligate aerobes | show 🗑
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obligate anaerobes | show 🗑
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Facultative anaerobes | show 🗑
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What are the 5 major clades of Bacteria? | show 🗑
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show | 1) Korarchaeotes 2) Euryarchaeotes 3)Crenarchaeotes 4) Nanoarchaeotes
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show | An organism that lives in such extreme environmental conditions that few other organisms can live in.
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extreme halophiles | show 🗑
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show | An organism that thrives in hot environments (often 60-80 degrees Celsius or hotter)
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show | An organism that produces methane as a waste product of the way it obtains energy. All known methanogens are in domain archaea.
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decomposers | show 🗑
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show | The conversion of atmospheric nitrogen (N2) to ammonia (NH3).
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symbiosis | show 🗑
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show | an ecological relationship in which a parasite eats the cell contents, tissues, or body fluids of its host.
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pathogens | show 🗑
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Exotoxin | show 🗑
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Endotoxin | show 🗑
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antibiotics | show 🗑
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show | using bacteria to break down sewage, chemical spills, etc.
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genetic engineering | show 🗑
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show | on plasmids
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show | They are poisoned by O2.
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show | the shape of their chromosomes and plasmids
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An ecological relationship between organisms of different species that are in direct contact can best be described as _____. | show 🗑
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Bioremediation is _____. | show 🗑
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
evie_mcintyre